Aqueous newsprint inks

Details Aqueous newsprint inks Aqueous newsprint inks

1980-09-22

1982-01-12

Kight, III, John

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C09D 1114

Patent

active

043103561

ABSTRACT:
In an improved process for printing newsprint paper with a light-weight keyless printing press system the mineral oil ink standardly used is replaced by an aqueous newsprint ink having a total solids content of about 13-80% and containing about 2-30% of a colorant consisting of a pigment and/or dye, about 3-60% of a dispersed starch, and water to total 100%, wherein the percentages are by weight based on total weight of the ink. The ink may optionally contain a viscosity stabilizer if necessary to prevent retrogradation of the starch or a thickener. In a preferred embodiment the pigment is carbon black and the starch is a dextrin or waxy fluidity starch.

REFERENCES:
patent: 1364406 (1921-01-01), Olsen
patent: 3615751 (1971-10-01), Lecha et al.
patent: 3803070 (1974-04-01), Spencer et al.
Sci. Am., Jan. 8, 1910, p. 32.

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